This test can help you identify individuals that have prior experience in kubernetes and know how to utilize it for the deployment and management of cloud-native applications.
Software Skills
10 Mins
Intermediate
10
Kubernetes is a portable, extensible, open-source platform for managing containerized workloads and services, that facilitates both declarative configuration and automation. This Kubernetes test looks at candidates' understanding and abilities in Cluster architecture, Workloads and storage, Services and Networking, Administration and Troubleshooting, and Tools and components.
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In Kubernetes, a cluster is a set of machines (also called nodes) that are used to run containerized applications. The basic architecture of a Kubernetes cluster consists of a set of worker nodes and a control plane.
Workloads are the primary objects that are used to manage the running of applications in a Kubernetes cluster. There are several types of workloads, including Deployments, which manage the deployment and scaling of applications, and StatefulSets, which are used to manage the deployment and scaling of stateful applications. Kubernetes supports a number of different types of storage, including local storage on nodes, network-attached storage (NAS), and cloud-based storage solutions. Storage can be provisioned and managed using persistent volumes and persistent volume claims.
Services are used to expose applications running on a cluster to the outside world, and to provide load balancing and failover for those applications. Networking in Kubernetes is managed using pods and network policies, which control the communication between pods and between pods and services.
Kubernetes includes a number of tools and features for administering and troubleshooting a cluster, including the kubectl command-line interface (CLI), which is used to manage and monitor the cluster, and the Kubernetes dashboard, which provides a web-based interface for managing and monitoring the cluster.
Kubernetes includes a number of additional tools and components that can be used to manage and deploy applications, including Helm, which is a package manager for Kubernetes, and Istio, which is a service mesh for managing microservices.
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Here are the top five hard-skill interview questions tailored specifically for Kubernetes. These questions are designed to assess candidates’ expertise and suitability for the role, along with skill assessments.
Understanding the fundamental concepts of Kubernetes is essential for someone working with the platform.
Listen for the candidate to explain the difference between a pod and a container and to provide specific examples of when each would be used.
Horizontal scaling is a critical aspect of managing Kubernetes deployments, and the candidate should be able to demonstrate their knowledge of the process.
Listen for the candidate to describe the steps they would take to horizontally scale a deployment, including the metrics they would use to determine when to scale. They should also be able to discuss any challenges they have faced when scaling Kubernetes deployments and how they overcame them.
Updating Kubernetes deployments without downtime is essential to ensure continuous delivery of services.
Listen for the candidate to describe the strategies they would use to update a deployment without downtime, including any specific tools they would use, such as rolling updates or blue-green deployments. They should also be able to discuss any challenges they have faced when updating Kubernetes deployments and how they overcame them.
Monitoring is a critical aspect of managing Kubernetes clusters and ensuring the reliability and performance of services.
Listen for the candidate to describe the monitoring tools they would use, such as Prometheus or Grafana, and the metrics they would track, such as CPU usage or memory utilization. They should also be able to describe their process for responding to alerts and how they would troubleshoot any issues that arise.
Networking is a critical aspect of Kubernetes, and the candidate should be able to demonstrate their knowledge of Kubernetes networking concepts and their ability to troubleshoot network-related issues.
Listen for the candidate to describe their experience with Kubernetes networking, including how they have configured network policies and handled network-related issues. They should also be able to describe their process for troubleshooting network issues and how they would isolate and resolve any issues that arise.
A Kubernetes assessment is a test of a person's knowledge and skills in using the Kubernetes container orchestration platform. It include questions about various aspects of Kubernetes, such as its architecture, features, and usage.
A Kubernetes assessment can be used by recruiters and hiring managers to assess a candidate's understanding of the Kubernetes architecture, the different components of a Kubernetes cluster, and the process of deploying and managing applications using the platform.
Kubernetes Admin DevOps Engineer Senior Cloud Infrastructure Engineer Data Engineer Kubernetes Administrator Kubernetes Developer DevOps Engineer Site Reliability Engineer (SRE) Cloud Engineer
Cluster Architecture Workloads and Storage Services and Networking Administration and Troubleshooting Tools and components What are the responsibilities of a Kubernetes Developer
Creating container images: You would also be responsible for creating container images that package your application code and any dependencies it needs to run. These images can then be deployed to the Kubernetes cluster.
The responsibilities of a Kubernetes Developer are:
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